نتایج جستجو برای: protein bands
تعداد نتایج: 1276687 فیلتر نتایج به سال:
the objective of this study was to determine the protein pattern and antigenic structure of bhv-1. ten viral isolates from cows with clinical signs of respiratory infections were selected for this study and confirmed by sn test. all samples were cultured on cell cultures and purified by ultracentrifugation. purified isolates were electerophorsed using sds-page method and immunoblotted. viral an...
this study was aimed to detect anti-toxoplasma gondii antibodies in cats infected with rh strain of t. gondii by using an immunoblotting method. for this, cats were experimentally infected using tachyzoites harvested from vero cell cultures. tachyzoites were then lysed and transferred to polyacrylamide gels followed by blotting to pvdf membranes. an immunoblotting was performed using these memb...
somaclonal variation is one of the possible sources of variation in plant breeding. to evaluate the usefulness of somaclonal variation for creating variation in iranian cultivars of wheat, proteins, enzymes and chromosome number of regenerated and seed-produced plants of wheat (alamout, hyrmand and maroon) were studied. plantlets obtained from the immature embryos and seed culture were collecte...
Effects of freezing and hardening on the sulfhydryl groups of protein fractions from cabbage leaves.
Disc electrophoresis was used to separate water soluble proteins from hardy, non-hardy, and frost killed cabbage (Brassica oleracea var. capitata) leaves. Amidoschwarz staining failed to reveal any new bands as a result of hardening although the relative amounts of proteins in individual bands changed. Sulfhydryl groups in the protein bands were stained with 2,2-dihydroxy-6,6-dinaphthyl disulfi...
Human fascioliasis due to unknown species and animal fascioliasis caused by both or one of Fasciola spp. are commonly seen in Iran. To compare electrophoretic patterns of somatic and excretory-secretory antigens of F. hepatica and F. gigantica by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE), the adult flukes were collected from infected slaughtered bovine livers. E/S a...
Five methods using aqueous/organic solvents for the separation of proteins from oils were compared. The extraction with acetone-hexane followed by amino acid analysis was found to be the most suitable method for isolation and quantification of proteins from oils. The detection limit of the method was 0.18 mg protein/kg oil, and the quantification limit was 0.6 mg protein/kg. The relative repeat...
Introduction: Infectious diseases, mainly caused by bacterial agents, are one of the most common causes of death worldwide. A significant number of these agents have been resistant to one or more antibiotics; some of them are multi-drug resistant and others are extensively drug resistant. Various antimicrobial and anticancer compounds have been reported from the venom of various species of scor...
In this study, Rhizomucor miehei ?-1,3-1,4-glucanase gene was expressed under the regulation of AOX1 promoter in Pichia pastoris expression system, and clone providing highest production level determined. The codon-optimized ligated into vector pPICZ?A transferred competent P. KM71H cells. Thirty transformants were selected from plates containing different concentrations zeocin cultured test tu...
Treatment of Escherichia coli K12 C600 with colicin K or E1, but not E3, caused changes in the protein composition of the bacterial cytoplasmic membrane and an impairment of the membrane-associated ATP-linked transhydrogenase activity. The major compositional changes were loss and/or reduction in the levels of protein bands 4, 8, 9, 10, 13, and 18 with approximate molecular weights of 122,000, ...
Fourier transform infrared (FTIR) spectroscopy was used to study protein-cofactor interactions in photosystem II. The FTIR spectrum of each cofactor was measured as a difference spectrum upon its light-induced reaction. The spectrum included the bands of the protein moiety coupled to the cofactor, which were identified using selective isotopic labeling of amino acids. Analysis of these FTIR ban...
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